From: Bob Harrison <[log in to unmask]> >The study is by Harvard but not available yet I believe. ...posted to another forum: https://docs.google.com/file/d/0B7FCgF0BwlDGZXZVWFFqUUtRTGl5Uzdyb21VRV9Bdw/edit?pli=1 ...full study. deknow *********************************************** The BEE-L mailing list is powered by L-Soft's renowned LISTSERV(R) list management software. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html Guidelines for posting to BEE-L can be found at: http://honeybeeworld.com/bee-l/guidelines.htm